import { httpPost, httpGet } from "../utils/http";
import ENV_CONFIG from "../config/env";

// 讨论相关接口
export interface DiscussionService {
  // 获取讨论列表
  getDiscussions(courseId?: string, filter?: any): Promise<any>;
  
  // 创建新讨论
  createDiscussion(courseId: string, data: any): Promise<any>;
  
  // 获取讨论详情
  getDiscussion(id: string): Promise<any>;
  
  // 添加回复
  addReply(discussionId: string, data: any): Promise<any>;
  
  // 点赞/取消点赞
  likeDiscussion(discussionId: string, userId: string): Promise<any>;
  likeReply(discussionId: string, replyId: string, userId: string): Promise<any>;
  
  // 申请AI回复
  requestAIResponse(discussionId: string, data: any): Promise<any>;
  
  // 获取我的讨论
  getMyDiscussions(): Promise<any>;
  
  // 删除讨论
  deleteDiscussion(discussionId: string): Promise<any>;
  
  // 置顶讨论
  pinDiscussion(discussionId: string): Promise<any>;
  
  // 添加AI回复
  addAIReply(discussionId: string, content: string): Promise<any>;
  
  // 获取统计信息
  getStats(courseId: string): Promise<any>;
}

// 模拟讨论服务实现
class MockDiscussionService implements DiscussionService {
  async getDiscussions(courseId?: string, filter?: any): Promise<any> {
    // 模拟API调用
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          discussions: [],
          total: 0
        });
      }, 500);
    });
  }

  async createDiscussion(courseId: string, data: any): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: { id: Date.now().toString() }
        });
      }, 300);
    });
  }

  async getDiscussion(id: string): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: {}
        });
      }, 200);
    });
  }

  async addReply(discussionId: string, data: any): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: { id: Date.now().toString() }
        });
      }, 300);
    });
  }

  async likeDiscussion(discussionId: string, userId: string): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: { liked: true }
        });
      }, 200);
    });
  }

  async likeReply(discussionId: string, replyId: string, userId: string): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: { liked: true }
        });
      }, 200);
    });
  }

  async requestAIResponse(discussionId: string, data: any): Promise<any> {
    // 模拟AI回复生成
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: {
            aiResponse: {
              content: "这是一个模拟的AI回复内容，实际会调用Python AI服务生成专业的解答。",
              createTime: new Date().toLocaleString(),
              status: "completed"
            }
          }
        });
      }, 2000); // 模拟AI处理时间
    });
  }

  async getMyDiscussions(): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: [],
          total: 0
        });
      }, 500);
    });
  }

  async deleteDiscussion(discussionId: string): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: {}
        });
      }, 300);
    });
  }

  async pinDiscussion(discussionId: string): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: {}
        });
      }, 300);
    });
  }

  async addAIReply(discussionId: string, content: string): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: {}
        });
      }, 1000);
    });
  }

  async getStats(courseId: string): Promise<any> {
    return new Promise((resolve) => {
      setTimeout(() => {
        resolve({
          success: true,
          data: {
            total: 156,
            today: 12,
            pending: 5,
            aiReplyRate: 85
          }
        });
      }, 500);
    });
  }
}

// 导出服务实例
const discussionService = new MockDiscussionService();
export default discussionService;
